Investigation of positron reemission holography

A feasibility study of using low energy positron reemission microscopy in an in-line holographic mode is carried out by means of computer simulations. The effects of substrate backscattering and statistical fluctuations (corresponding to 10⁴ counts/pixel) are found not to be significant. Transverse and height resolutions of 1 and 14 nm, respectively, are determined in the hologram reconstructed images for a positron emission transverse coherence length of 20 nm. Future capabilities of positron reemission holography in high flux (10¹⁰ e⁺/s) facilities are discussed.